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Old 05-06-2021, 08:28 AM   #1
Dchiplin
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Chapters missing from books loaded to Kobo Forma
I have experienced several instances of loading a book to my Kobo and finding a chapter missing!! It will just skip from - say - chapter 21 to 23 with a blank page separating showing the chapter 22 header. When I look at the books with the Calibre viewer, the chapter is there so it it something happening in the load process.

All of these books are ePUBs and have been run through Calibre's converter prior to loading. Both Calibre and the Kobo are running latest version of their respective software. I use the Kobo Utilities plug-in in Calibre to manage shelves.

Anyone have any thoughts on this?
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Old 05-06-2021, 10:36 AM   #2
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BAD code (errors) on the original. Validate that before conversion. GIGO
Note: many viewers tolerate some types bad code, but conversion may trip on it.
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Old 05-06-2021, 11:19 AM   #3
JSWolf
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RMSDK (used to read ePub on a Kobo) does not tolerate errors well at all.
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Old 05-06-2021, 03:46 PM   #4
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Originally Posted by JSWolf View Post
RMSDK (used to read ePub on a Kobo) does not tolerate errors well at all.
Don't know about that. I never bother to check for errors in my epubs and have not had a single issue with my Kobo so far.
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Old 05-06-2021, 03:58 PM   #5
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Don't know about that. I never bother to check for errors in my epubs and have not had a single issue with my Kobo so far.
But then we don't know the source of the ePub the OP is having a problem with.

I suggest installing the epubcheck plugin for Calibre or Sigil and then loading the ePub and check for errors and fixing them. There has to be some fo the chapter to fail.
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Old 05-06-2021, 11:03 PM   #6
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Quote:
Originally Posted by Dchiplin View Post
I have experienced several instances of loading a book to my Kobo and finding a chapter missing!! It will just skip from - say - chapter 21 to 23 with a blank page separating showing the chapter 22 header. When I look at the books with the Calibre viewer, the chapter is there so it it something happening in the load process.

All of these books are ePUBs and have been run through Calibre's converter prior to loading. Both Calibre and the Kobo are running latest version of their respective software. I use the Kobo Utilities plug-in in Calibre to manage shelves.

Anyone have any thoughts on this?
As @theducks said, it is most likely bad code. Open the book in the calibre editor and run the Check Book tool (the little bug icon) on it. When this happens to me, it is either a mismatched tag, or an ampersand or other character that needs to be changed to the html entity or unicode character.

And EPUBCheck is overkill for just about any problem where the book loads but has errors. The check in the editor will find almost everything that would cause a problem when sideloading an epub to just about any device that accepts epubs. And that definitely applies to Kobo ereaders.
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